The only thing that keeps me going is that I love what I do.
I don’t like to be limited.
To be happy is only to have freed one's soul from the unrest of unhappiness.
历史首先是那个遗产的创造和记录;进步是其日益增长的丰富性、保存、传递和使用。
Never let your sense of morals prevent you from doing what is right.